Hardware Spec Index

Zephyra FN-3946 Pro 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3946-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,287 (Case Fans scale)
Category rank#11,903
Street price$49
Power3 W
Performance per dollar26.27
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3946 Pro
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3946 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2654891 (accessed 2026-10-21).